IvySkin Xylo Case for iPhone - Rax Designed from every angle, the Xylo delivers on its promise to protect your iPhone. Made with polysillicon material, it is second to none on the market today. Ultra Tough 2mm thick LEXoN Polysilicon 2tone Skin that truly protects your iPhone from accidental drops in every angle! extremely durable screen that is suited for use in industrial control systems Full life-time ivyskin replacment warranty.